# define _CRT_SECURE_NO_WARNINGS 1
# include<stdio.h>

int main()
{
	int i = 0;
	int arr1[] = { 1,2,3,4,5,6 };
	int arr2[] = { 6,5,4,3,2,1 };
	int sz = sizeof(arr1) / sizeof(arr1[0]);

	for (i = 0; i < sz ; i++)
	{
		int ret = 0;
		ret = arr1[i];
		arr1[i] = arr2[i];
		arr2[i] = ret;
		printf("%d", arr1[i]);
		
	}
	printf("\n");
	for (i = 0; i < sz; i++)
	{
		printf("%d", arr2[i]);
	}


	return 0;
}